LEADED vs UNLEADED

[Jstpssng]

^^^
You generally know what you're talking about though and do get your point across. For somebody who is asking a question that's more important than if every werd is spelled correctly.

 

[fried1765]

My 48 Allis has been restored. Now my final question: What type gas should be run in this old motor? 'Leaded gas negatives appear to be overstated while unleaded gas benefits appear to be understated'. This comment is taken from an article I read recently. I'd like to get some opinions from others before filling the tank.

I have a '51 8N Ford, and the valve seats have been replaced (engine rebuilt).
The tractor is in Massachusetts, and non-ethanol gasoline "may not be dispensed from a pump" in that state (The DPRT)
I refuse to use ethanol gas in my 68 year old Ford tractor (or any of my numerous small/old engines).
Airports are an exception: I go to the local small airport and buy 100LL (low lead) because they CAN pump it into my 5 gallon cans. The local fire departments also buy 100LL for all their small engines.
Sure, it is wildly expensive, but how much of that gas do I actually use in a year, and as an added benefit, it stores MUCH better than the ethanol stuff.?

 

[ning]

'Leaded gas negatives appear to be overstated while unleaded gas benefits appear to be understated'

If you believe this, you were probably exposed to more of the lead than you realize...

 

[09112]

If you believe this, you were probably exposed to more of the lead than you realize...

The reason for the post was to get opinions AFTER reading the article. I have no opinion one way or another but I definitly get your bias.

 

[buickanddeere]

My 48 Allis has been restored. Now my final question: What type gas should be run in this old motor? 'Leaded gas negatives appear to be overstated while unleaded gas benefits appear to be understated'. This comment is taken from an article I read recently. I'd like to get some opinions from others before filling the tank.

Oh for frig sakes , where do these unleaded-leaded and detergent-non detergent questions keep coming from. Oh please give it a break and bury it. Put decent valves and valve seats in it and run it . How do you think gas vehicles go 300,000 miles now with little screaming high output engines . In the old days of leaded fuel a valve job was over due by 75,000 miles on slightly stressed V8.

 

[MHarryE]

Many users on this site are using unleaded premium in their old gasoline tractors without problems. Unless you are in North Korea, Yemen, Afghanistan, and 3 more of those third world countries leaded gasoline is not available except for 100LL used in piston engined planes available only at airports. The GM chemists who discovered Tetraethyl lead as a knock preventer - one of them nearly died of lead poisoning. The FAA had the goal of eliminating lead in Avgas by the end of this year but the 2 suppliers of this fuel, Shell and Swift Oil, still haven’t found the perfect substitute so it continues. Gawd I remember the old days when I had to change plugs twice a year in each of our cars due to fouling with lead deposits. Now if it’s time for new plugs it’s time for a new car or pickup.

 

[Oldpath05]

Where's the picture of the fully restored 48 Allis? I agree with this from LouNY>> ("The main purpose for leaded gasoline was to lubricate the valves and valve seats. Most engines when the head gets redone have the hardened seats installed which should eliminate that issue.") Motors that are rebuilt today are most likely rebuilt with today upgraded harden components, meaning no lead paint required.

 

[blacklion66]

My 48 Allis has been restored. Now my final question: What type gas should be run in this old motor? 'Leaded gas negatives appear to be overstated while unleaded gas benefits appear to be understated'. This comment is taken from an article I read recently. I'd like to get some opinions from others before filling the tank.

Your 48 Allis will thank you if you find a place that sells real gas☺ same with all of your little engines

 

[ultrarunner]

When the motors get rebuilt in the early Ford Clubs they add Hardened Valve Seats as few had them originally outside the same engine sold for industrial use.

The upgrade came about for unleaded fuel... some of the guys put a lot of miles on these cars... coast to coast trips... around the world trips... Prudhoe Bay Alaska to the tip of South America... all have upgraded.

Just about all have added spin on oil filters and use modern detergent oil... those with old motors of unknown condition stick to non-detergent because detergent tends to keep items in suspension for the filter to capture...

 

[09112]

Oh for frig sakes , where do these unleaded-leaded and detergent-non detergent questions keep coming from. Oh please give it a break and bury it. Put decent valves and valve seats in it and run it . How do you think gas vehicles go 300,000 miles now with little screaming high output engines . In the old days of leaded fuel a valve job was over due by 75,000 miles on slightly stressed V8.

WOW!!!!